Rocky's new Athletic Mobility line offers various levels of protection. Both Level Two and Level Three boots are constructed with polishable black leather, waterproof Gore-Tex fabric, a lightweight rubber outsole, and 400 grams of PrimaLoft Eco Footwear insulation. L2 is available in a lace-up boot with an optional side zipper for easy on/off. L3 is constructed with leather and 900-denier high-abrasion nylon, and is available in a front-zip style, as well as a hidden lace system with a side-zip.